WO2017059720A2 - Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal - Google Patents

Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal Download PDF

Info

Publication number
WO2017059720A2
WO2017059720A2 PCT/CN2016/090674 CN2016090674W WO2017059720A2 WO 2017059720 A2 WO2017059720 A2 WO 2017059720A2 CN 2016090674 W CN2016090674 W CN 2016090674W WO 2017059720 A2 WO2017059720 A2 WO 2017059720A2
Authority
WO
WIPO (PCT)
Prior art keywords
random access
configuration information
terminal device
network node
access message
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/090674
Other languages
English (en)
Other versions
WO2017059720A3 (fr
Inventor
Rui Fan
Pål FRENGER
Martin HESSLER
Erik Eriksson
Hai Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to AU2016334149A priority Critical patent/AU2016334149B2/en
Priority to JP2019502723A priority patent/JP6754489B2/ja
Priority to EP16847579.6A priority patent/EP3195664B1/fr
Priority to PCT/CN2016/090674 priority patent/WO2017059720A2/fr
Priority to CN201680089341.8A priority patent/CN109716825B/zh
Priority to KR1020197004163A priority patent/KR102204080B1/ko
Priority to BR112019000822-5A priority patent/BR112019000822A2/pt
Priority to US15/115,799 priority patent/US10470217B2/en
Publication of WO2017059720A2 publication Critical patent/WO2017059720A2/fr
Publication of WO2017059720A3 publication Critical patent/WO2017059720A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0087—Timing of allocation when data requirements change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present disclosure relates to radio communications, and more particularly, to methods for facilitating random access, a network node and a terminal device.
  • LTE Long Term Evolution
  • UE User equipment
  • Fig. 1 shows a signaling sequence of a contention-based random access procedure.
  • the contention-based random access procedure involves four messages, referred to as MSG1, MSG2, MSG3 and MSG4, respectively.
  • MSG1 and MSG3 are uplink messages from a UE to a network node (e.g., an evolved NodeB (eNB) ) and MSG2 and MSG4 are downlink messages from the network node to the UE.
  • eNB evolved NodeB
  • the contention-free random access procedure involves only two messages, MSG1 and MSG2.
  • Both MSG2 and MSG4 are carried in Physical Downlink Shared Channel (PDSCH) and scheduled via Physical Downlink Control Channel (PDCCH) .
  • PDSCH Physical Downlink Shared Channel
  • PDCCH Physical Downlink Control Channel
  • the scheduling information for MSG2 is transmitted in a common search space and the scheduling information for MSG4 is transmitted in a UE-specific search space. Since the PDCCH needs to be decoded based on Cell Reference Signal (CRS) , the random access procedure in LTE depends on the CRS.
  • CRS Cell Reference Signal
  • next generation networks are expected to be highly energy efficient.
  • One of the design principles for the next generation networks is to minimize static, always-on signals in order to reduce energy consumption at the network side and to reduce interference to UEs served by neighboring eNBs.
  • the CRS may not exist in the future.
  • the UE it will perhaps not be possible for the UE to receive MSG2 and/or MSG4 based on the CRS any more.
  • a method in a network node includes: transmitting to a terminal device access configuration information required for the terminal device to receive a first random access message from the network node; and transmitting the first random access message to the terminal device based on the access configuration information.
  • the access configuration information indicates configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the access configuration information further indicates a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the access configuration information is included in a Common Access Information Table (C-AIT) .
  • C-AIT Common Access Information Table
  • the method further includes: transmitting to the terminal device an update to at least a part of the access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the method further includes: transmitting to the terminal device further access configuration information required for the terminal device to receive a third random access message from the network node; and transmitting the third random access message to the terminal device.
  • the further access configuration information indicates configurations for REs, DMRS, payload size and MCS associated with a control channel for scheduling the third random access message.
  • the further access configuration information is included in a Common Access Information Table (C-AIT) or in the first random access message.
  • C-AIT Common Access Information Table
  • the method further includes: transmitting to the terminal device an update to at least a part of the further access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • a network node in a second aspect, includes: a transmitting unit configured to: transmit to a terminal device access configuration information required for the terminal device to receive a first random access message from the network node; and transmit the first random access message to the terminal device based on the access configuration information.
  • a network node in a third aspect, includes a transceiver, a processor and a memory.
  • the memory contains instructions executable by the processor whereby the network node is operative to: transmit to a terminal device access configuration information required for the terminal device to receive a first random access message from the network node; and transmit the first random access message to the terminal device based on the access configuration information.
  • a computer program in a fourth aspect, includes computer readable instructions which, when run on a network node, cause the network node to perform the method according to the first aspect.
  • a computer program storage product includes computer readable storage means storing the computer program according to the fourth aspect.
  • a method in a terminal device includes: receiving from a network node access configuration information required for the terminal device to receive a first random access message from the network node; and receiving the first random access message from the network node based on the access configuration information.
  • the access configuration information indicates configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the step of receiving the first random access message from the network node based on the access configuration information includes: determining the configuration for each of the REs, DMRS, payload size, MCS and receiving timing based on: the single configuration, or the set of candidate configurations and the rule of mapping; and receiving the first random access message based on the determined configuration for each of the REs, DMRS, payload size, MCS and receiving timing.
  • the access configuration information further indicates a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the step of receiving the first random access message from the network node based on the access configuration information includes: determining the configuration for the scrambling sequence based on: the single configuration, or the set of candidate configurations and the rule of mapping; and receiving the first random access message based on the determined configuration for the scrambling sequence.
  • the access configuration information is included in a Common Access Information Table (C-AIT) .
  • C-AIT Common Access Information Table
  • the method further includes: receiving from the network node an update to at least a part of the access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the method further includes: receiving from the network node further access configuration information required for the terminal device to receive a third random access message from the network node; and receiving the third random access message from the network node based on the further access configuration information.
  • the further access configuration information indicates configurations for REs, DMRS, payload size and MCS associated with a control channel for scheduling the third random access message.
  • the further access configuration information is included in a Common Access Information Table (C-AIT) or in the first random access message.
  • C-AIT Common Access Information Table
  • the method further includes: receiving from the network node an update to at least a part of the further access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • a terminal device in a seventh aspect, includes: a receiving unit configured to: receive from a network node access configuration information required for the terminal device to receive a first random access message from the network node; and receive the first random access message from the network node based on the access configuration information.
  • a terminal device in an eighth aspect, includes a transceiver, a processor and a memory.
  • the memory contains instructions executable by the processor whereby the terminal device is operative to: receive from a network node access configuration information required for the terminal device to receive a first random access message from the network node; and receive the first random access message from the network node based on the access configuration information.
  • a computer program includes computer readable instructions which, when run on a terminal device, cause the terminal device to perform the method according to the sixth aspect.
  • a computer program storage product includes computer readable storage means storing the computer program according to the tenth.
  • a terminal device receives from a network node access configuration information required for receiving a random access message (e.g., MSG2) and then receives the random access message from the network node based on the access configuration information.
  • a network node access configuration information required for receiving a random access message e.g., MSG2
  • the terminal device can receive the downlink message in the random access procedure.
  • Fig. 1 is a schematic diagram showing a signaling sequence of a contention-based random access procedure
  • Fig. 2 is a flowchart illustrating a method for facilitating random access by a terminal device according to an embodiment of the present disclosure
  • Fig. 3 is a flowchart illustrating a method for facilitating random access according to an embodiment of the present disclosure
  • Fig. 4 is a schematic diagram showing a signaling sequence for explaining the methods shown in Fig. 2 and Fig. 3;
  • Fig. 5 is a block diagram of a network node according to an embodiment of the present disclosure.
  • Fig. 6 is a block diagram of a terminal device according to an embodiment of the present disclosure.
  • Fig. 7 is a block diagram of a network node according to another embodiment of the present disclosure.
  • Fig. 8 is a block diagram of a terminal device according to another embodiment of the present disclosure.
  • the term “network node” refers to a device in a wireless communication network via which a terminal device accesses the network and receives services therefrom.
  • the network node refers a base station (BS) , an access point (AP) , a Mobile Management Entity (MME) , Multi-cell/Multicast Coordination Entity (MCE) , a gateway, a server, a controller or any other suitable device in the wireless communication network.
  • BS base station
  • AP access point
  • MME Mobile Management Entity
  • MCE Multi-cell/Multicast Coordination Entity
  • the BS may be, for example, a node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a Remote Radio Unit (RRU) , a radio header (RH) , a remote radio head (RRH) , a relay, a low power node such as a femto, a pico, and so forth.
  • NodeB or NB node B
  • eNodeB or eNB evolved NodeB
  • RRU Remote Radio Unit
  • RH radio header
  • RRH remote radio head
  • relay a low power node such as a femto, a pico, and so forth.
  • terminal device refers to any end device that can access a wireless communication network and receive services therefrom.
  • the terminal device refers to a mobile terminal, UE, or other suitable device.
  • the UE may be, for example, a Subscriber Station (SS) , a Portable Subscriber Station, a Mobile Station (MS) , or an Access Terminal (AT) .
  • the terminal device may include, but not limited to, portable computers, image capture terminal devices such as digital cameras, gaming terminal devices, music storage and playback appliances, a mobile phone, a cellular phone, a smart phone, a tablet, a wearable device, a personal digital assistant (PDA) , a vehicle, a pedestrian and the like.
  • PDA personal digital assistant
  • wireless communication network refers to a network following any suitable communication standards, such as LTE-Advanced (LTE-A) , LTE, Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , and so on.
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • the communications between a terminal device and a network device in the wireless communication network may be performed according to any suitable generation communication protocols, including, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the future fifth generation (5G) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • the terms “first” and “second” refer to different elements.
  • the singular forms “a” and “an” are intended to include the plural forms as well, unless the context clearly indicates otherwise.
  • the term “based on” is to be read as “based in part or more on. ”
  • the term “one embodiment” and “an embodiment” are to be read as “one or embodiments. ”
  • the term “another embodiment” is to be read as “at least one other embodiment. ”
  • Other definitions, explicit and implicit, may be included below.
  • Fig. 2 is a flowchart illustrating a method 200 for facilitating random access by a terminal device according to an embodiment of the present disclosure.
  • the method 200 can be performed in a network node, e.g., an eNB.
  • the method 200 includes the following blocks
  • access configuration information required for the terminal device to receive a first random access message from the network node is transmitted to the terminal device.
  • the first random access message can be for example, but not limited to, MSG2 shown in Fig. 1.
  • the access configuration information may indicate configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information may indicate one single configuration.
  • the access configuration information may indicate a set of REs for carrying the first random access message, a DMRS for decoding the first random access message, a payload size of the first random access message, an MCS used for the first random access message, and a receiving timing to receive the first random access message.
  • the access configuration information may indicate a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node before the first random access message is transmitted from the network node to the terminal device.
  • the second random access message can be for example, but not limited to, MSG1 shown in Fig. 1.
  • the access configuration information may indicate more than one candidate set of REs for carrying the first random access message, as well as a rule of mapping between the candidate RE sets and preamble sequences used for the second random access message. For example, assuming that there are 64 preamble sequences, P0, P1, ..., P63, that can be used for the second random access message and the access configuration information indicates four RE sets, S0, S1, S2 and S3, the rule of mapping may require that the preamble sequences P0 ⁇ P15 are mapped to S0; P16 ⁇ P31 are mapped to S1; P32 ⁇ P47 are mapped to S2; and P48 ⁇ P63 are mapped to S3. In this way, the access configuration information allows the terminal device to determine the set of REs carrying the first random access message based on the preamble sequence the terminal device used for the second random access message.
  • the access configuration information may indicate more than one candidate DMRS for decoding the first random access message, more than one candidate payload size of the first random access message, and/or more than one candidate MCS used for the first random access message, as well as a rule of mapping between the candidate DMRSs, candidate payload sizes, and/or candidate MCSs and preamble sequences used for the second random access message.
  • the access configuration information may further indicate a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information may indicate one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the access configuration information may indicate more than one candidate scrambling sequence for scrambling the first random access message, as well as a rule of mapping between the candidate scrambling sequences and preamble sequences used for the second random access message.
  • the access configuration information can be included in a Common Access Information Table (C-AIT) .
  • C-AIT Common Access Information Table
  • D-AIT Dedicated Access Information Table
  • the C-AIT is transmitted over a broadcast channel, referred to as Physical Anchor Channel (PACH) , and contains fundamental system information required for a UE to access the network initially when it is powered on.
  • PACH Physical Anchor Channel
  • the UE Once the UE has attached to the network, it can acquire updated and/or further system information via a D-AIT. After that, the UE can use the system information defined in the D-AIT to access the network when it transitions from an idle/dormant mode to a connected mode.
  • the first random access message is transmitted to the terminal device based on the access configuration information.
  • the method 200 may further include the following blocks (not shown) , e.g., when the method is applied in a contention-based random access.
  • the third random access message can be for example, but not limited to, MSG4 shown in Fig. 1.
  • a control channel can be used for scheduling the third random access message.
  • the further access configuration information may indicate configurations for REs, DMRS, payload size and MCS associated with the control channel.
  • the MSG2 since the MSG2 has a very small size and is not UE specific, it is not necessary to define a control channel to schedule the MSG2. That is, the MSG2 can be independent of any control channel (e.g., PDCCH) . In contrast, the MSG4 has a size that may vary quite a lot and is UE specific. It is thus beneficial to schedule MSG4 via a control channel.
  • the MSG2 since the MSG2 has a very small size and is not UE specific, it is not necessary to define a control channel to schedule the MSG2. That is, the MSG2 can be independent of any control channel (e.g., PDCCH) . In contrast, the MSG4 has a size that may vary quite a lot and is UE specific. It is thus beneficial to schedule MSG4 via a control channel.
  • PDCCH control channel
  • the third random access message can be transmitted to the terminal device.
  • the further access configuration information can be included in a C-AIT.
  • the further access configuration information can be included in the first random access message.
  • an update to at least a part of the further access configuration information can be included in a D-AIT for transmitting to the terminal device.
  • Fig. 3 is a flowchart illustrating a method 300 for facilitating random access according to an embodiment of the present disclosure.
  • the method 300 can be performed in a terminal device, e.g., a UE.
  • the method 300 includes the following steps.
  • access configuration information required for the terminal device to receive a first random access message from a network node is received from the network node.
  • the first random access message can be for example, but not limited to, MSG2 shown in Fig. 1.
  • the first random access message is received from the network node based on the access configuration information.
  • the access configuration information can indicate configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information may indicate one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the second random access message can be for example, but not limited to, MSG1 shown in Fig. 1.
  • the configuration for each of the REs, DMRS, payload size, MCS and receiving timing can be determined based on: the single configuration, or the set of candidate configurations and the rule of mapping.
  • the first random access message can then be received based on the determined configuration for each of the REs, DMRS, payload size, MCS and receiving timing.
  • the access configuration information may further indicate a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information may indicate: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the configuration for the scrambling sequence can be determined based on: the single configuration, or the set of candidate configurations and the rule of mapping. Then, the first random access message can be received based on the determined configuration for the scrambling sequence.
  • the access configuration information can be included in a C-AIT. Further, an update to at least a part of the access configuration information can be received from the network node. The update can be included in a D-AIT.
  • the method 300 may further include the following blocks (not shown) , e.g., when the method is applied in a contention-based random access.
  • the third random access message can be for example, but not limited to, MSG4 shown in Fig. 1.
  • a control channel can be used for scheduling the third random access message.
  • the further access configuration information may indicate configurations for REs, DMRS, payload size and MCS associated with the control channel.
  • the third random access message from the network node can be received based on the further access configuration information.
  • the further access configuration information can be included in a C-AIT.
  • the further access configuration information can be included in the first random access message.
  • an update to at least a part of the further access configuration information can be received from the network node. The update can be included in a D-AIT.
  • Fig. 4 shows a signaling sequence for explaining the methods 200 and 300 as described above.
  • a contention-based random access procedure is shown in Fig. 4 as an example. It is also applicable to a contention-free random access procedure, except that no operations for MSG3 and MSG4 are required.
  • an eNB sends a C-AIT to a UE, e.g., when the UE is initially powered on.
  • the C-AIT contains access configuration information associated with MSG2 (referred to as “MSG2 configuration” hereinafter) , and optionally access configuration information associated with a control channel for scheduling MSG4 (referred to as “MSG4 configuration” hereinafter) .
  • MSG2 configuration access configuration information associated with MSG2
  • MSG4 configuration access configuration information associated with a control channel for scheduling MSG4
  • the UE sends a MSG1 to the eNB.
  • the eNB sends a MSG2 to the UE.
  • the MSG2 can be received by the UE based on the MSG2 configuration contained in the C-AIT.
  • the MSG4 configuration may alternatively be contained in the MSG2.
  • the UE sends a MSG3 to the eNB.
  • the eNB sends a MSG4 to the UE.
  • the MSG4 can be received by the UE based on the MSG4 configuration contained in the C-AIT or the MSG2.
  • the eNB sends a D-AIT to the UE.
  • the D-AIT may contain an update to the MSG2 configuration and/or an update to the MSG4 configuration, such that the UE can use the updated MSG2 configuration and/or MSG4 configuration in the subsequent random access procedure, e.g., when it transitions from an idle/dormant mode to a connected mode.
  • Fig. 5 is a block diagram of a network node 500 for facilitating random access by a terminal device according to an embodiment of the present disclosure.
  • the network node 500 can be e.g., an eNB.
  • the network node 500 includes a transmitting unit 510 configured to transmit to the terminal device access configuration information required for the terminal device to receive a first random access message from the network node.
  • the transmitting unit 510 is further configured to transmit the first random access message to the terminal device based on the access configuration information.
  • the access configuration information indicates configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information indicates: one single configuration, or a set of candidate configurations, and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the access configuration information further indicates a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the access configuration information is included in a Common Access Information Table (C-AIT) .
  • C-AIT Common Access Information Table
  • the transmitting unit 510 is further configured to: transmit to the terminal device an update to at least a part of the access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the transmitting unit 510 is further configured to: transmit to the terminal device further access configuration information required for the terminal device to receive a third random access message from the network node; and transmit the third random access message to the terminal device.
  • the further access configuration information indicates configurations for REs, DMRS, payload size and MCS associated with a control channel for scheduling the third random access message.
  • the further access configuration information is included in a Common Access Information Table (C-AIT) or in the first random access message.
  • C-AIT Common Access Information Table
  • the transmitting unit 510 is further configured to: transmit to the terminal device an update to at least a part of the further access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the unit 510 can be implemented as a pure hardware solution or as a combination of software and hardware, e.g., by one or more of: a processor or a micro-processor and adequate software and memory for storing of the software, a Programmable Logic Device (PLD) or other electronic component (s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 2.
  • a processor or a micro-processor and adequate software and memory for storing of the software e.g., a Programmable Logic Device (PLD) or other electronic component (s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 2.
  • PLD Programmable Logic Device
  • Fig. 6 is a block diagram of a network node 600 according to another embodiment of the present disclosure.
  • the network node 600 can be provided for facilitating random access by a terminal device.
  • the network node 600 includes a transceiver 610, a processor 620 and a memory 630.
  • the memory 630 contains instructions executable by the processor 620 whereby the network node 600 is operative to: transmit to the terminal device access configuration information required for the terminal device to receive a first random access message from the network node; and transmit the first random access message to the terminal device based on the access configuration information.
  • Fig. 7 is a block diagram of a terminal device 700 for facilitating random access according to an embodiment of the present disclosure.
  • the terminal device 700 can be e.g., a UE.
  • the terminal device 700 includes a receiving unit 710 configured to receive from a network node access configuration information required for the terminal device to receive a first random access message from the network node.
  • the receiving unit 710 is further configured to receive the first random access message from the network node based on the access configuration information.
  • the access configuration information indicates configurations for Resource Elements (REs) , Demodulation Reference Signal (DMRS) , payload size, Modulation and Coding Scheme (MCS) and receiving timing associated with the first random access message.
  • REs Resource Elements
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • the access configuration information indicates: one single configuration, or a set of candidate configurations, and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the receiving unit 710 is configured to receive the first random access message from the network node based on the access configuration information by: determining the configuration for each of the REs, DMRS, payload size, MCS and receiving timing based on: the single configuration, or the set of candidate configurations and the rule of mapping; and receiving the first random access message based on the determined configuration for each of the REs, DMRS, payload size, MCS and receiving timing.
  • the access configuration information further indicates a configuration for a scrambling sequence associated with the first random access message.
  • the access configuration information indicates: one single configuration, or a set of candidate configurations and a rule of mapping between the candidate configurations and transmission parameters associated with a second random access message transmitted from the terminal device to the network node prior to the first random access message.
  • the receiving unit 710 is configured to receive the first random access message from the network node based on the access configuration information by: determining the configuration for the scrambling sequence based on: the single configuration, or the set of candidate configurations and the rule of mapping; and receiving the first random access message based on the determined configuration for the scrambling sequence.
  • the access configuration information is included in a Common Access Information Table (C-AIT) .
  • C-AIT Common Access Information Table
  • the receiving unit 710 is further configured to: receive from the network node an update to at least a part of the access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the receiving unit 710 is further configured to: receive from the network node further access configuration information required for the terminal device to receive a third random access message from the network node; and receive the third random access message from the network node based on the further access configuration information.
  • the further access configuration information indicates configurations for REs, DMRS, payload size and MCS associated with a control channel for scheduling the third random access message.
  • the further access configuration information is included in a Common Access Information Table (C-AIT) or in the first random access message.
  • C-AIT Common Access Information Table
  • the receiving unit 710 is further configured to: receive from the network node an update to at least a part of the further access configuration information.
  • the update is included in a Dedicated Access Information Table (D-AIT) .
  • D-AIT Dedicated Access Information Table
  • the unit 710 can be implemented as a pure hardware solution or as a combination of software and hardware, e.g., by one or more of: a processor or a micro-processor and adequate software and memory for storing of the software, a Programmable Logic Device (PLD) or other electronic component (s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 3.
  • a processor or a micro-processor and adequate software and memory for storing of the software e.g., a Programmable Logic Device (PLD) or other electronic component (s) or processing circuitry configured to perform the actions described above, and illustrated, e.g., in Fig. 3.
  • PLD Programmable Logic Device
  • Fig. 8 is a block diagram of a terminal device 800 according to another embodiment of the present disclosure.
  • the terminal device 800 can be provided for facilitating random access.
  • the terminal device 800 includes a transceiver 810, a processor 820 and a memory 830.
  • the memory 830 contains instructions executable by the processor 820 whereby the terminal device 800 is operative to: receive from a network node access configuration information required for the terminal device to receive a first random access message from the network node; and receive the first random access message from the network node based on the access configuration information.
  • the present disclosure also provides one or more computer program products in the form of a non-volatile or volatile memory, e.g., an Electrically Erasable Programmable Read-Only Memory (EEPROM) , a flash memory and a hard drive.
  • the computer program product includes a computer program.
  • the computer program includes: code/computer readable instructions, which when executed by the processor 620 causes the network device 600 to perform the actions, e.g., of the procedure described earlier in conjunction with Fig. 2; or code/computer readable instructions, which when executed by the processor 820 causes the terminal device 800 to perform the actions, e.g., of the procedure described earlier in conjunction with Fig. 3.
  • the computer program product may be configured as a computer program code structured in computer program modules.
  • the computer program modules could essentially perform the actions of the flow illustrated in Fig. 2 or 3.
  • the processor may be a single CPU (Central processing unit) , but could also comprise two or more processing units.
  • the processor may include general purpose microprocessors; instruction set processors and/or related chips sets and/or special purpose microprocessors such as Application Specific Integrated Circuit (ASICs) .
  • the processor may also comprise board memory for caching purposes.
  • the computer program may be carried by a computer program product connected to the processor.
  • the computer program product may comprise a computer readable medium on which the computer program is stored.
  • the computer program product may be a flash memory, a Random-access memory (RAM) , a Read-Only Memory (ROM) , or an EEPROM, and the computer program modules described above could in alternative embodiments be distributed on different computer program products in the form of memories.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé (200) dans un noeud de réseau. Le procédé (200) consiste : à transmettre (S210) à un dispositif de terminal des informations de configuration d'accès requises pour que le dispositif de terminal reçoive un premier message d'accès aléatoire du noeud de réseau; et à transmettre (S220) le premier message d'accès aléatoire au dispositif de terminal en fonction des informations de configuration d'accès.
PCT/CN2016/090674 2016-07-20 2016-07-20 Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal Ceased WO2017059720A2 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AU2016334149A AU2016334149B2 (en) 2016-07-20 2016-07-20 Method for facilitating random access, network node and terminal device
JP2019502723A JP6754489B2 (ja) 2016-07-20 2016-07-20 ランダムアクセスを促進する方法、ネットワークノード及び端末デバイス
EP16847579.6A EP3195664B1 (fr) 2016-07-20 2016-07-20 Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal
PCT/CN2016/090674 WO2017059720A2 (fr) 2016-07-20 2016-07-20 Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal
CN201680089341.8A CN109716825B (zh) 2016-07-20 2016-07-20 用于促进随机接入的方法、网络节点和终端设备
KR1020197004163A KR102204080B1 (ko) 2016-07-20 2016-07-20 랜덤 액세스를 용이하게 하는 방법, 네트워크 노드 및 단말 디바이스
BR112019000822-5A BR112019000822A2 (pt) 2016-07-20 2016-07-20 método para facilitar acesso aleatório e dispositivo terminal
US15/115,799 US10470217B2 (en) 2016-07-20 2016-07-20 Method for facilitating random access, network node and terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/090674 WO2017059720A2 (fr) 2016-07-20 2016-07-20 Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal

Publications (2)

Publication Number Publication Date
WO2017059720A2 true WO2017059720A2 (fr) 2017-04-13
WO2017059720A3 WO2017059720A3 (fr) 2017-05-18

Family

ID=58487230

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/090674 Ceased WO2017059720A2 (fr) 2016-07-20 2016-07-20 Procédé pour permettre l'accès aléatoire, noeud de réseau de dispositif de terminal

Country Status (8)

Country Link
US (1) US10470217B2 (fr)
EP (1) EP3195664B1 (fr)
JP (1) JP6754489B2 (fr)
KR (1) KR102204080B1 (fr)
CN (1) CN109716825B (fr)
AU (1) AU2016334149B2 (fr)
BR (1) BR112019000822A2 (fr)
WO (1) WO2017059720A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111182646A (zh) * 2019-01-18 2020-05-19 维沃软件技术有限公司 一种随机接入传输方法及终端
WO2020225009A3 (fr) * 2019-05-03 2021-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et appareil d'accès aléatoire

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10952257B2 (en) * 2016-11-23 2021-03-16 Electronics And Telecommunications Research Institute Access method in communication system and device for performing same
CN113615297B (zh) * 2019-03-28 2024-02-20 中兴通讯股份有限公司 无线网络接入节点中随机接入信道配置的协同优化
EP3997950A4 (fr) * 2019-07-09 2022-07-20 ZTE Corporation Procédé et appareil pour procédure d'accès aléatoire
US20240283595A1 (en) * 2021-06-14 2024-08-22 Telefonaktiebolaget Lm Ericsson (Publ) Early beam management for wireless communication network
CN116367340A (zh) * 2021-12-27 2023-06-30 北京紫光展锐通信技术有限公司 通信方法及装置

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001097411A1 (fr) * 2000-06-12 2001-12-20 Samsung Electronics Co., Ltd Procede permettant d'assigner un acces aleatoire sur canal de liaison montante dans un systeme de communication mobile cdma
JP4912478B2 (ja) * 2010-02-09 2012-04-11 シャープ株式会社 移動局装置、無線通信方法および回路装置
JP4928621B2 (ja) * 2010-05-27 2012-05-09 シャープ株式会社 無線通信システム、基地局装置、移動局装置、無線通信方法および集積回路
KR101498089B1 (ko) 2010-09-28 2015-03-03 엘지전자 주식회사 대규모 셀룰러 네트워크에서 랜덤 액세스 제어를 위한 프리앰블 집합 분리
US20120300714A1 (en) * 2011-05-06 2012-11-29 Samsung Electronics Co., Ltd. Methods and apparatus for random access procedures with carrier aggregation for lte-advanced systems
DK2730104T3 (da) * 2011-07-06 2019-12-16 Nokia Solutions & Networks Oy Dm-rs-baserede fysiske downlink-lte-lag
CN102883459B (zh) * 2011-07-12 2016-05-25 华为技术有限公司 随机接入响应的接收和发送方法、用户设备、基站及系统
CN103703812B (zh) * 2011-08-05 2017-07-28 太阳专利信托公司 发送装置、前导码发送装置以及发送方法
US9473267B2 (en) * 2012-02-06 2016-10-18 Lg Electronics Inc. Method and apparatus for transmitting uplink control information
CN103369611B (zh) * 2012-03-30 2018-09-11 中兴通讯股份有限公司 随机接入处理方法、切换处理方法及装置
CN103582085B (zh) * 2012-08-10 2017-02-22 华为技术有限公司 异构网络中的接入方法和装置
EP3416449B1 (fr) * 2012-09-26 2024-04-03 Huawei Technologies Co., Ltd. Système et procédé d'accès aléatoire dans des systèmes de communications hétérogènes
CN103796315B (zh) * 2012-11-02 2018-12-11 南京中兴软件有限责任公司 用户设备专用搜索空间的物理资源块配置方法和装置
US9609663B2 (en) * 2012-11-02 2017-03-28 Qualcomm Incorporated Techniques for decoupling downlink and uplink operations
WO2014084781A1 (fr) * 2012-11-29 2014-06-05 Telefonaktiebolaget L M Ericsson (Publ) Procédure liée au canal d'accès aléatoire (rach) d'un dispositif de communication de type machine (mtc)
WO2014098444A1 (fr) * 2012-12-17 2014-06-26 엘지전자 주식회사 Procédé de réception de signal de liaison descendante, dispositif d'utilisateur, procédé d'émission de signal de liaison descendante et station de base
US20160135145A1 (en) * 2013-06-05 2016-05-12 Telefonaktiebolaget L M Ericsson (Publ) Telecommunications apparatus and method relating to a random access procedure
US10251167B2 (en) * 2013-07-01 2019-04-02 Lg Electronics Inc. D2D signal transmission method and user equipment
EP3026830B1 (fr) * 2013-07-26 2019-12-04 LG Electronics Inc. Procédé d'émission d'un signal pour mtc et appareil à cet effet
WO2015018044A1 (fr) * 2013-08-08 2015-02-12 Telefonaktiebolaget L M Ericsson (Publ) Procédés et dispositifs d'accès aléatoire
WO2015035597A1 (fr) * 2013-09-13 2015-03-19 Nokia Siemens Networks Oy Appareil et procédé de communication
WO2015035650A1 (fr) * 2013-09-16 2015-03-19 华为技术有限公司 Procédé, équipement utilisateur et station de base pour prédétermination de ressource dans un accès aléatoire
EP3050387B1 (fr) * 2013-09-27 2019-07-03 Alcatel Lucent Procédés et dispositifs d'accès aléatoire
WO2015053553A1 (fr) * 2013-10-10 2015-04-16 주식회사 케이티 Procédé d'émission et de réception de réponse d'accès aléatoire, et appareil associé
US9668280B2 (en) * 2013-11-01 2017-05-30 Htc Corporation Method of handling random access in wireless communication system
CN104780617B (zh) * 2014-01-09 2019-09-17 中兴通讯股份有限公司 一种非竞争随机接入方法、节点设备及系统
BR112016017767B1 (pt) * 2014-02-10 2022-11-29 Telefonaktiebolaget Lm Ericsson (Publ) Método e equipamento de usuário para realizar transmissões de preâmbulo e método e nó de rede para receber transmissões de preâmbulo em um canal de acesso aleatório
CN104852787B (zh) * 2014-02-13 2020-04-10 电信科学技术研究院 竞争解决消息反馈信息的发送方法及装置
CN111867120B (zh) * 2014-04-04 2024-05-31 北京三星通信技术研究有限公司 数据传输的方法、基站及终端
CN107535001B (zh) * 2015-04-09 2021-09-14 株式会社Ntt都科摩 用户终端、无线基站以及无线通信方法
CN106470087B (zh) * 2015-08-19 2020-06-26 中国移动通信集团公司 Dmrs指示方法、系统、基站及用户设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111182646A (zh) * 2019-01-18 2020-05-19 维沃软件技术有限公司 一种随机接入传输方法及终端
WO2020147827A1 (fr) * 2019-01-18 2020-07-23 维沃移动通信有限公司 Procédé de transmission à accès aléatoire, et terminal associé
WO2020225009A3 (fr) * 2019-05-03 2021-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et appareil d'accès aléatoire
EP4207912A1 (fr) * 2019-05-03 2023-07-05 Telefonaktiebolaget LM Ericsson (publ) Procédé et appareil d'accès aléatoire

Also Published As

Publication number Publication date
JP6754489B2 (ja) 2020-09-09
WO2017059720A3 (fr) 2017-05-18
AU2016334149B2 (en) 2020-03-05
KR20190029652A (ko) 2019-03-20
CN109716825A (zh) 2019-05-03
EP3195664A4 (fr) 2018-02-21
EP3195664B1 (fr) 2020-05-27
CN109716825B (zh) 2022-02-22
AU2016334149A1 (en) 2019-01-24
US10470217B2 (en) 2019-11-05
JP2019527515A (ja) 2019-09-26
KR102204080B1 (ko) 2021-01-15
EP3195664A2 (fr) 2017-07-26
US20180206270A1 (en) 2018-07-19
BR112019000822A2 (pt) 2019-04-30

Similar Documents

Publication Publication Date Title
AU2016334149B2 (en) Method for facilitating random access, network node and terminal device
US11109392B2 (en) Communication method, network device, and relay device
EP3759848B1 (fr) Configuration de longueurs de transmission maximales de signal de réveil
CN109644503B (zh) 用于随机接入的方法、网络设备和终端设备
CN113316236B (zh) 寻呼处理方法、装置、设备及存储介质
WO2018141289A1 (fr) Procédé de transmission, et terminal utilisateur
WO2019213845A1 (fr) Procédé et dispositif de communication sans fil, puce, et système
WO2019141123A1 (fr) Procédé et dispositif d'émission de signaux
TWI759560B (zh) 傳輸訊息的方法和設備
CN109474994A (zh) 一种系统信息传输方法、网络侧设备及移动通信终端
WO2019051802A1 (fr) Procédé de transmission de données, dispositif de réseau, et dispositif terminal
EP4387340A1 (fr) Procédé et appareil de surveillance d'informations
US20210235506A1 (en) Information processing method and apparatus
WO2021031026A1 (fr) Procédé et appareil de transmission d'informations de commande en liaison descendante (dci)
WO2019196038A1 (fr) Procédé et dispositif de transmission de signal d'économie d'énergie
CN109802808A (zh) 一种同步块与寻呼调度信令关联方法、指示方法及装置
EP3996404B1 (fr) Procédé d'authentification de dispositif de réseau d'accès et dispositif associé
TW201943301A (zh) 信號傳輸的方法和設備
WO2018049679A1 (fr) Procédé de communication, station de base, et équipement d'utilisateur
CN115039478B (zh) 一种间隔的确定方法和设备
WO2018120661A1 (fr) Procédé et dispositif de communication sans fil
US11856539B2 (en) Method and device for transmitting downlink control information
CN120980651A (zh) 通信方法和通信装置
WO2019178750A1 (fr) Procédé de radiomessagerie, dispositif de réseau et dispositif de terminal
CN115462134A (zh) 系统信息块分段

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 15115799

Country of ref document: US

REEP Request for entry into the european phase

Ref document number: 2016847579

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2016847579

Country of ref document: EP

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
ENP Entry into the national phase

Ref document number: 2019502723

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112019000822

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 2016334149

Country of ref document: AU

Date of ref document: 20160720

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20197004163

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 112019000822

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20190115